Zanyzap 6 Carbon Impregnated Foam Pads for Fluval FX4 / FX5 / FX6 Canister Filter

The only way to buy them!!!

Works great for my Fluval FX4!

Just as good as Fluval brand, 6 for the price of 2 Fluval. Also a good fit in canister.

Works as well as my old system of charcoal in bags and takes like 99% less time to change the filter. Worth the higher cost to charcoal.

These ARE NOT carbon impregnated filter pads! You can see right through them and they look the same as the bio filter pads but painted black. What a scam!

Very happy with my order.

Bottle came opened and damaged my other staff

Great replacement

These work great in my fluval -bought more than once

So far, so good. Working as expected. Has helped keep my tank clear.